noun

1. A unit of electrical power, in an AC circuit, equal to the power dissipated when 1 volt produces a current of 1 ampere.

noun

1. Something that is variable.

2. Something whose value may be dictated or discovered.

   “There are several variables to consider here.”

3. A quantity that may assume any one of a set of values.

Synonyms: variable quantity, changeable, parameter

noun

1. The act of varying or the state of being variable.

2. A difference between what is expected and what is observed; deviation.

3. The state of differing or being in conflict.